armadillo9_com.c revision 1.1
1/*	$NetBSD: armadillo9_com.c,v 1.1 2006/02/06 14:03:22 hamajima Exp $ */
2/*
3 * Copyright (c) 2002
4 *	Ichiro FUKUHARA <ichiro@ichiro.org>.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Ichiro FUKUHARA.
18 * 4. The name of the company nor the name of the author may be used to
19 *    endorse or promote products derived from this software without specific
20 *    prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include <sys/cdefs.h>
36__KERNEL_RCSID(0, "$NetBSD: armadillo9_com.c,v 1.1 2006/02/06 14:03:22 hamajima Exp $");
37
38/* Front-end of epcom */
39
40#include <sys/types.h>
41#include <sys/device.h>
42#include <sys/systm.h>
43#include <sys/param.h>
44#include <sys/malloc.h>
45
46#include <sys/termios.h>
47
48#include <machine/intr.h>
49#include <machine/bus.h>
50
51#include <arm/ep93xx/epcomreg.h>
52#include <arm/ep93xx/epcomvar.h>
53#include <arm/ep93xx/ep93xxreg.h>
54#include <arm/ep93xx/ep93xxvar.h>
55#include <arm/ep93xx/epsocvar.h>
56#ifdef ARMADILLO210
57#include "epled.h"
58#if NEPLED > 0
59#include <arm/ep93xx/epledvar.h>
60#endif
61#endif
62
63static int armadillo9com_match(struct device *, struct cfdata *, void *);
64static void armadillo9com_attach(struct device *, struct device *, void *);
65#ifdef ARMADILLO210
66static int armadillo9com_intr(void *);
67#endif
68
69CFATTACH_DECL(armadillo9com, sizeof(struct epcom_softc),
70    armadillo9com_match, armadillo9com_attach, NULL, NULL);
71
72static int
73armadillo9com_match(struct device *parent, struct cfdata *match, void *aux)
74{
75	if (strcmp(match->cf_name, "epcom") == 0)
76		return 1;
77	return 0;
78}
79
80static void
81armadillo9com_attach(struct device *parent, struct device *self, void *aux)
82{
83	struct epcom_softc *sc = (struct epcom_softc *)self;
84	struct epsoc_attach_args *sa = aux;
85	u_int32_t pwrcnt;
86	bus_space_handle_t ioh;
87
88	sc->sc_iot = sa->sa_iot;
89	sc->sc_hwbase = sa->sa_addr;
90
91	printf("\n");
92
93	bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
94
95	bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
96		EP93XX_APB_SYSCON_SIZE, 0, &ioh);
97	pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
98	pwrcnt &= ~(PwrCnt_UARTBAUD);
99	bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
100	bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
101
102	epcom_attach_subr(sc);
103#ifdef ARMADILLO210
104	ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc);
105#if NEPLED > 0
106	epled_red_off();
107#endif
108#else
109	ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, epcomintr, sc);
110#endif
111}
112
113#ifdef ARMADILLO210
114static int
115armadillo9com_intr(void *arg)
116{
117	int n;
118
119#if NEPLED > 0
120        epled_red_on();
121#endif
122	n = epcomintr(arg);
123#if NEPLED > 0
124        epled_red_off();
125#endif
126	return n;
127}
128#endif
129